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Li-ion Battery

Lithium ion (Li-ion) battery with the features of high energy density, high capacity, light weight and high power. The voltage of cylindrical type is 3.7V and button type is 3.6V. Li-ion batteries are one of the most popular types of rechargeable battery for portable electronics, as its best energy densities, no memory effect, and with a slow loss of charge when not in use.

Principle and Reactions:
When a lithium-based cell is charging, the lithium is extracted from the anode and inserted into the cathode. When the cell is discharging, the reverse occurs.

Positive reaction: LiCoO2→ Li1-xCoO2 + xLi+ + xe-
Negative reaction: xLi+ + xe- + 6C → LixC6
Total reaction: LiCoO2 + 6C → Li1-xCoO2 + LixC6

Button Type


Laptop computers
PDA and IC cards
Electric clocks and watches
Wearable electronics devices
Tracking units
Monitoring units
Remote control keys
Digital cameras
Sports bluetooth headset battery
RC toys

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Cylindrical Type


Audio visual equipment
Cellular phones
Security display stand for Iphone/Ipad
Camera anti-theft display stand
Office automation
Notebook PC’s
PDA’s and handy terminals
Communication devices
Electronic instruments

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